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Electric Circuits

Electric Circuits
Condition for reciprocity in case of ABCD parameters is

 AD-BC = 1 .
 AD-BC = 0.
  AB-CD = 0.
 AB-CD = 1.

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 1 mA.
  0.25 mA.
 0.35 mA.
 0.5 mA.

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Electric Circuits
For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R.

 2 Ω.
 3 Ω.
 1 Ω.
 4 Ω.

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Electric Circuits
For the circuit given in the figure the power delivered by the 2 V source is given by

 4 W.
 - 4 W.
 2 W.
 - 2 W.

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Electric Circuits
Zinc cadmium and lead coating is generally provided for

  decoration.
  all of above.
  corrosion.
  electrical contacts.

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 1000 N.
 10 N.
 100 N.
 10000 N.

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MORE MCQ ON Electric Circuits

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